220849201 has 4 divisors (see below), whose sum is σ = 222993472. Its totient is φ = 218704932.

The previous prime is 220849199. The next prime is 220849207. The reversal of 220849201 is 102948022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220849201 - 2¹ = 220849199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220849201.

It is not an unprimeable number, because it can be changed into a prime (220849207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071981 + ... + 1072186.

It is an arithmetic number, because the mean of its divisors is an integer number (55748368).

Almost surely, 2^220849201 is an apocalyptic number.

It is an amenable number.

220849201 is a deficient number, since it is larger than the sum of its proper divisors (2144271).

220849201 is a wasteful number, since it uses less digits than its factorization.

220849201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144270.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 220849201 is about 14860.9959625861. The cubic root of 220849201 is about 604.4568136438.

The spelling of 220849201 in words is "two hundred twenty million, eight hundred forty-nine thousand, two hundred one".